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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * linux/include/linux/nfs_fs.h4 *5 * Copyright (C) 1992 Rick Sladkey6 *7 * OS-specific nfs filesystem definitions and declarations8 */9 10#ifndef _UAPI_LINUX_NFS_FS_H11#define _UAPI_LINUX_NFS_FS_H12 13#include <linux/magic.h>14 15/* Default timeout values */16#define NFS_DEF_UDP_TIMEO (11)17#define NFS_DEF_UDP_RETRANS (3)18#define NFS_DEF_TCP_TIMEO (600)19#define NFS_DEF_TCP_RETRANS (2)20 21#define NFS_MAX_UDP_TIMEOUT (60*HZ)22#define NFS_MAX_TCP_TIMEOUT (600*HZ)23 24#define NFS_DEF_ACREGMIN (3)25#define NFS_DEF_ACREGMAX (60)26#define NFS_DEF_ACDIRMIN (30)27#define NFS_DEF_ACDIRMAX (60)28 29/*30 * When flushing a cluster of dirty pages, there can be different31 * strategies:32 */33#define FLUSH_SYNC 1 /* file being synced, or contention */34#define FLUSH_STABLE 4 /* commit to stable storage */35#define FLUSH_LOWPRI 8 /* low priority background flush */36#define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */37#define FLUSH_COND_STABLE 32 /* conditional stable write - only stable38 * if everything fits in one RPC */39 40 41/*42 * NFS debug flags43 */44#define NFSDBG_VFS 0x000145#define NFSDBG_DIRCACHE 0x000246#define NFSDBG_LOOKUPCACHE 0x000447#define NFSDBG_PAGECACHE 0x000848#define NFSDBG_PROC 0x001049#define NFSDBG_XDR 0x002050#define NFSDBG_FILE 0x004051#define NFSDBG_ROOT 0x008052#define NFSDBG_CALLBACK 0x010053#define NFSDBG_CLIENT 0x020054#define NFSDBG_MOUNT 0x040055#define NFSDBG_FSCACHE 0x0800 /* unused */56#define NFSDBG_PNFS 0x100057#define NFSDBG_PNFS_LD 0x200058#define NFSDBG_STATE 0x400059#define NFSDBG_XATTRCACHE 0x800060#define NFSDBG_ALL 0xFFFF61 62 63#endif /* _UAPI_LINUX_NFS_FS_H */64